var datagrid:mx.controls.dataGridClasses.DataGridColumn;
var event:mx.events.DataGridEvent;
var dataGrid:mx.controls.DataGrid= event.target as mx.controls.DataGrid;
var dsColumnIndex:Number = event.columnIndex;
var col:DataGridColumn = dataGrid.columns[dsColumnIndex];
var newValue:String = dataGrid.itemEditorInstance[col.editorDataField];
var dsFieldName:String = event.dataField;
var newValue:String = dataGrid.itemEditorInstance[datagrid.editorDataField];
var strId:int=dataGrid.selectedItem.ida;//获取选择行ID
自己写了下想这么得到改后数据var dataGrid:mx.controls.DataGrid= event.target as mx.controls.DataGrid;却为空对象。。。有解释吗?